Stuff You Should Know
Stuff You Should Know
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Why Do Lefties Exist?
40 minutes Posted Feb 24, 2015 at 7:41 am.
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For at least the last 200,000 years, between 10-15% of the human population are left-handed and this fact has utterly left science baffled. In searching to explain handedness, all sorts of contradictory evidence has emerged, creating a fascinating mystery.

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